Peter von Biron
E463008
Peter von Biron was the last Duke of Courland and Semigallia, known for his role in the final years of the duchy's independence before its incorporation into the Russian Empire.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Karl Ernst von Biron | 1 |
| Peter von Biron canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4670962 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Peter von Biron Context triple: [Ernst Johann von Biron, child, Peter von Biron]
-
A.
Ernst Johann von Biron
Ernst Johann von Biron was an 18th-century Baltic German nobleman who rose to power as the favorite of Empress Anna of Russia and briefly dominated Russian politics before being overthrown and exiled.
-
B.
Baron von Gurnitz
Baron von Gurnitz is a fictional Nazi officer character known from film and television, notably portrayed by German actor Thomas Kretschmann.
-
C.
Duke Michael of Strelsau
Duke Michael of Strelsau is the ambitious and treacherous half-brother of the king who schemes for the throne in Anthony Hope’s adventure novel "The Prisoner of Zenda."
-
D.
Baron von Steingel
Baron von Steingel was a wealthy Baltic German noble and oil industrialist who commissioned the iconic Swallow’s Nest castle overlooking the Black Sea in Crimea.
-
E.
Fritz von Tarlenheim
Fritz von Tarlenheim is a loyal and courageous young nobleman who aids Rudolf Rassendyll in Anthony Hope’s adventure novel "The Prisoner of Zenda."
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Peter von Biron Target entity description: Peter von Biron was the last Duke of Courland and Semigallia, known for his role in the final years of the duchy's independence before its incorporation into the Russian Empire.
-
A.
Ernst Johann von Biron
Ernst Johann von Biron was an 18th-century Baltic German nobleman who rose to power as the favorite of Empress Anna of Russia and briefly dominated Russian politics before being overthrown and exiled.
-
B.
Baron von Gurnitz
Baron von Gurnitz is a fictional Nazi officer character known from film and television, notably portrayed by German actor Thomas Kretschmann.
-
C.
Duke Michael of Strelsau
Duke Michael of Strelsau is the ambitious and treacherous half-brother of the king who schemes for the throne in Anthony Hope’s adventure novel "The Prisoner of Zenda."
-
D.
Baron von Steingel
Baron von Steingel was a wealthy Baltic German noble and oil industrialist who commissioned the iconic Swallow’s Nest castle overlooking the Black Sea in Crimea.
-
E.
Fritz von Tarlenheim
Fritz von Tarlenheim is a loyal and courageous young nobleman who aids Rudolf Rassendyll in Anthony Hope’s adventure novel "The Prisoner of Zenda."
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
duke
ⓘ
human ⓘ nobleman ⓘ |
| associatedWith |
Polish–Lithuanian Commonwealth
NERFINISHED
ⓘ
Russian Empire NERFINISHED ⓘ |
| birthDate | 1724-02-15 ⓘ |
| birthPlace | Mitau NERFINISHED ⓘ |
| burialPlace | Sagan NERFINISHED ⓘ |
| causeOfPoliticalChange | Third Partition of Poland NERFINISHED ⓘ |
| child |
Johanna Katharina von Sagan
NERFINISHED
ⓘ
Pauline von Sagan NERFINISHED ⓘ Wilhelmine von Sagan NERFINISHED ⓘ |
| countryOfCitizenship | Duchy of Courland and Semigallia NERFINISHED ⓘ |
| deathDate | 1800-01-13 ⓘ |
| deathPlace | Gellenau NERFINISHED ⓘ |
| dynasty | House of Biron NERFINISHED ⓘ |
| era | 18th century ⓘ |
| familyName | von Biron NERFINISHED ⓘ |
| father | Ernst Johann von Biron NERFINISHED ⓘ |
| givenName | Peter ⓘ |
| incorporationYear | 1795 ⓘ |
| languageOfWorkOrName |
French
ⓘ
German ⓘ |
| lastRulerOf | Duchy of Courland and Semigallia NERFINISHED ⓘ |
| mother | Benigna Gottlieb von Trotha genannt Treyden NERFINISHED ⓘ |
| name | Peter von Biron NERFINISHED ⓘ |
| nobleFamily | Biron family NERFINISHED ⓘ |
| nobleTitle | Duke of Courland and Semigallia NERFINISHED ⓘ |
| notableFor |
being the last Duke of Courland and Semigallia
ⓘ
ceding Courland and Semigallia to the Russian Empire ⓘ ruling during the final years of the duchy’s independence ⓘ |
| occupation |
landowner
ⓘ
ruler ⓘ |
| ownedTitle | Duke of Sagan NERFINISHED ⓘ |
| positionHeld | Duke of Courland and Semigallia NERFINISHED ⓘ |
| predecessor | Ernst Johann von Biron NERFINISHED ⓘ |
| reignEnd | 1795 ⓘ |
| reignStart | 1769 ⓘ |
| religion | Lutheranism ⓘ |
| residence |
Jelgava Palace
NERFINISHED
ⓘ
Sagan (Żagań) NERFINISHED ⓘ |
| signed | act of incorporation of Courland and Semigallia into the Russian Empire ⓘ |
| spouse |
Dorothea von Medem
NERFINISHED
ⓘ
Princess Caroline of Waldeck and Pyrmont NERFINISHED ⓘ Princess Eudoxia Borisovna Yusupova NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Peter von Biron Description of subject: Peter von Biron was the last Duke of Courland and Semigallia, known for his role in the final years of the duchy's independence before its incorporation into the Russian Empire.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Karl Ernst von Biron